SODIUM SULPHITE POWDER MANUFACTURER
PRODUCT INFORMATION
Sodium sulphite is manufactured by reacting sulfur dioxide with sodium hydroxide and again nutralised with sodium hydroxide then crystallised in evoporators. It is white crystalline material.
Standard Packing:-
In different hdpe bags with inner liner 25kg/50kg/100kg/500kg/1mt.
Hdpe drum packing 25kg.
500gms – 1kg packing for food additives.
PRODUCT SPECIFICATION
PARAMETERS | TECHNICAL GRADE | FOOD GRADE |
---|---|---|
APPEARANCE | WHITE CRYSTALLINE Powder | WHITE CRYSTALLINE Powder |
PURITY AS (Na2SO3) | MIN. 92% w/w | MIN. 96% w/w |
PURITY AS (SO2) | MIN. 46% w/w | MIN. 49%-50% w/w |
pH (20% Soln) | 9 – 11 | 9 – 11 |
HEAVY METALS | MAX. 50 PPM | MAX. 10 PPM |
LEAD (AS Pb) | MAX. 50 PPM | MAX. 5 PPM |
IRON (AS Fe) | MAX. 100 PPM | MAX. 10 PPM |
ANTIMONEY | MAX. 50 PPM | NIL |
ARSENIC (AS Ar) | MAX. 50 PPM | NIL |
CADMIUM (AS Cd) | MAX. 50 PPM | NIL |
MERCURY (AS Hg) | MAX. 50 PPM | NIL |
CHROMIUM (AS Cr) | MAX. 50 PPM | NIL |
NICKLE (Ni) | MAX. 50 PPM | NIL |
SELENIUM (AS Se) | MAX. 50 PPM | NIL |
Uses:-
- Water treatment: Oxygen scavenger in boiler water and drilling water.
- Effluent water treatment of excess chlorine.
- Detoxification of chromic acid in electroplating industries.
- Desalination plants for manufacturing potable water.
- Photography: In processing semi-chemical pulp production in chemi-thermo mechanical and kraft pulping process.
- Detergents: Manufacture of sulfosuccinates.
- Dyestuff: Reducing agent in manufacture of indigo-at dyes.
- De-chlorination: As an antichlor following bleaching by sodium hypochlorite.
- Latex: Stabilizing latex.
- Minerals: ore floatation aid.
- Leather industry: Antibacterial in tanning process.
- Food processing: As preservative, antioxidant and enzyme inhibitor.
- Production capacities of our products 2400tpa.